serial: pl011: Fix DMA issues on 64bit PL330 based systems
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- v1 Latest5 patches 0 repliesNew
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/5 | serial: pl011: Allocate TX DMA buffer from DMA capable memorydrivers/ | +1 | 0 replies | |
| 2/5 | serial: pl011: Avoid assumptions about buffer size when refilling TX DMAdrivers/ | +5 | 0 replies | |
| 3/5 | serial: pl011: Set length of DMA transferdrivers/ | +1 | 0 replies | |
| 4/5 | serial: pl011: Don't enable RX DMA if residue processing not supporteddrivers/ | +15 | 0 replies | |
| 5/5 | serial: pl011: Add device tree support for RX DMA pollingDocumentation/ drivers/ | +31 | 0 replies |
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Cover letter [PATCH 0/5] serial: pl011: Fix DMA issues on 64bit PL330 based systems
This patch set fixes a number of issues found when using DMA driven UART transfers on the PL011 UART through a DMA330 DMA controller on a 64bit system.
Andrew Jackson (5):
serial: pl011: Allocate TX DMA buffer from DMA capable memory
serial: pl011: Avoid assumptions about buffer size when refilling TX
DMA
serial: pl011: Set length of DMA transfer
serial: pl011: Don't enable RX DMA if residue processing not
supported
serial: pl011: Add device tree support for RX DMA polling
Documentation/devicetree/bindings/serial/pl011.txt | 19 +++++--- drivers/tty/serial/amba-pl011.c | 46 +++++++++++++++++-- 2 files changed, 53 insertions(+), 12 deletions(-)